A free, open source, multi-platform SQLite database manager
Open source PDF editor
Flexible level editor
Third-party TI-84 Plus CE / TI-83 Premium CE emulator
A pleasant note-taking platform in native C++
C++ Qt ORM (Object Relational Mapping) and ODM library
Audio Tag Editor
An integrated writing environment for creating LaTeX documents
GUI to work with abc notation
Shotcut is a free, open source, cross-platform video editor.
View and edit DICOM tags (Windows & Mac & Linux)
An Audio/MIDI multi-track sequencer
Graphical editor software for many Boss and Roland effect & synth unit
Real Time Electronic Circuit Simulator.
2D molecule editor
Simple XML editor and XSD viewer
Qt based Veroboard, Perfboard, and PCB layout and routing application
Final Fantasy VIII Save Editor
General purpose tile map editor
SCADA HMI for substations, IoT and automation applications